PDF-Miningcoalhasalwayspresentedmenwithproblems,forexample,howtogettheheav
PITPONIES
Adeliverycartfullofcoaleighteenthcentury
Ahorseoperatedwindinggin
MenwomenandchildrenworkedundergroundThewomenandsomeofthechildrencarriedcoaloutofthemineontheirbacksorpusheditonsledges
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